35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
package packer
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// A provisioner is responsible for installing and configuring software
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// on a machine prior to building the actual image.
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type Provisioner interface {
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// Prepare is called with a set of configurations to setup the
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// internal state of the provisioner. The multiple configurations
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// should be merged in some sane way.
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Prepare(...interface{}) error
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// Provision is called to actually provision the machine. A UI is
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// given to communicate with the user, and a communicator is given that
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// is guaranteed to be connected to some machine so that provisioning
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// can be done.
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Provision(Ui, Communicator) error
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}
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// A Hook implementation that runs the given provisioners.
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type ProvisionHook struct {
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// The provisioners to run as part of the hook. These should already
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// be prepared (by calling Prepare) at some earlier stage.
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Provisioners []Provisioner
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}
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// Runs the provisioners in order.
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func (h *ProvisionHook) Run(name string, ui Ui, comm Communicator, data interface{}) error {
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for _, p := range h.Provisioners {
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if err := p.Provision(ui, comm); err != nil {
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return err
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}
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}
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return nil
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}
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